发明名称 Immersion motor
摘要 An immersion motor includes a housing (3) having a wall (4) with a watertight cable penetration (5, 6; 5, 6′). The cable penetration includes an inlet (5) in the wall (4) for a cable (25) and a sealing collar (6; 6′) that can be released from the inlet (5) having a penetration (20) for the cable (25). The sealing collar (6; 6′) includes a first seal (45; 45′) disposed on the penetration (20) and means for applying force (75, 85, 90) to the first seal (45; 45′), which is designed for permanently applying force to the first seal (45; 45′) radially in the penetration (20). The cable penetration (5, 6; 5, 6′) further includes means for releasably attaching (35, 40) the sealing collar (6; 6′) to the inlet (5). At least one second seal (120, 125) is provided between the sealing collar (6; 6′) and the inlet (5).
申请公布号 US8827665(B2) 申请公布日期 2014.09.09
申请号 US200913126520 申请日期 2009.08.13
申请人 Grundfos Management A/S 发明人 Dybdal Soren
分类号 F04B17/03;H02K5/132;H02G3/22 主分类号 F04B17/03
代理机构 Panitch Schwarze Belisario & Nadel LLP 代理人 Panitch Schwarze Belisario & Nadel LLP
主权项 1. A submersible motor (2) comprising a housing (3) having a wall (4) with a watertight cable feed-through (5, 6; 5, 6′), the cable feed-through including an inlet (5) in the wall (4) for a cable (25) and a scaling collar (6; 6′) having a feed-through (20) for the cable, the sealing collar (6, 6′) being detachable from the inlet (5), the sealing collar (6; 6′) including a first seal (45; 45′) arranged on the feed-through and means for the application of force (75, 85, 90) to the first seal (45; 45′) for permanently applying force to the first seal (45; 45′) radially into the feed-through (20), the cable feed-through (5, 6; 5, 6′) comprising means for detachably attaching (35, 40) the sealing collar (6; 6′) to the inlet, wherein the first seal (45; 45′) is circumferentially surrounded by a sealing collar housing (10; 10′), a front end of the sealing collar housing being disposed within the motor housing (3) when the sealing collar (6; 6′) is attached to the inlet (5), wherein at least a second seal (120, 125) is provided between the sealing collar (6; 6′) and inlet (5), and wherein the means for the application of force (75, 85, 90) to the first seal (45; 45′) comprises two clamping surfaces (75, 85), between which the first seal (45; 45′) is arranged, and with which the first seal (45; 45′) is exposed to an axial force, and at least a compression spring element (90) that applies a force to at least one (85) of the clamping surfaces (75, 85), the compression spring element (90) being arranged within the motor housing (3) and supported by a front wall (110) detachably arranged on the front end of the sealing collar housing (10; 10′).
地址 Bjerringbro DK